/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.gatein.management.core.api.binding.json;
import org.gatein.common.io.IOTools;
import org.gatein.management.api.binding.BindingException;
import org.gatein.management.api.binding.Marshaller;
import org.gatein.management.api.operation.model.NamedDescription;
import org.gatein.management.api.operation.model.ReadResourceModel;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONStringer;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
/**
* @author <a href="mailto:nscavell@redhat.com">Nick Scavelli</a>
* @version $Revision$
*/
public class ReadResourceModelMarshaller implements Marshaller<ReadResourceModel>
{
@Override
public void marshal(ReadResourceModel model, OutputStream outputStream) throws BindingException
{
PrintWriter printWriter = new PrintWriter(outputStream);
try
{
JSONStringer json = new JSONStringer();
json.object().key("description").value(model.getDescription());
json.key("children").array();
for (String child : model.getChildren())
{
json.object().key("name").value(child);
NamedDescription nd = model.getChildDescription(child);
if (nd != null)
{
json.key("description").value(nd.getDescription());
}
json.endObject();
}
json.endArray().key("operations").array();
for (NamedDescription nd : model.getOperations())
{
json.object().key("operation-name").value(nd.getName()).key("operation-description").value(nd.getDescription()).endObject();
}
json.endArray().endObject();
printWriter.write(new JSONObject(json.toString()).toString(3));
printWriter.flush();
}
catch (JSONException e)
{
throw new BindingException("Could not marshal to JSON format", e);
}
finally
{
IOTools.safeClose(printWriter);
}
}
@Override
public ReadResourceModel unmarshal(InputStream inputStream) throws BindingException
{
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try
{
IOTools.copy(inputStream, baos);
}
catch (IOException e)
{
throw new BindingException("Could not read input stream for marshalling.", e);
}
String jsonString = new String(baos.toByteArray());
try
{
JSONObject json = new JSONObject(jsonString);
json.toString(3);
throw new BindingException("Marshaller does not support unmarshalling of json data.");
}
catch (JSONException e)
{
throw new BindingException("Could not parse json string:\n" + jsonString, e);
}
}
}